Chlorite pseudomorph after Staurolite

Item Description

A rare locality specimen featuring a prismatic crystal of what started out as Staurolite, but was pseudomorphed by "Chlorite". The piece is labeled simply as coming from Patrick County, Virginia (possibly from the Fairy Stone State Park), and is the only example of this specific material we've seen from this area. A cool specimen for all of you pseudomorph enthusiasts out there. From the collection of William ("Bill") (1927-2006) and Anne (1928-2021) Cook of Cleveland, Ohio (#2129). This husband and wife duo were actively involved in the mineral world for many decades. Bill was a PhD geologist, and Anne was a mathematician, and they both were very serious mineral collectors. Bill served for many years as adjunct curator of mineralogy at the Cleveland Museum of Natural History, and Anne was inducted into the Micromounters' Hall of Fame on October 12, 2019. Both Bill and Anne, at various times, served as president both of the Mineralogical Society of Cleveland and of the Micromineral Society of the Cleveland Museum of Natural History, and Anne was inducted into the mi The rare barium lithium beryllium phosphate Wilancookite was named in their honor in 2015.